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Finding the Fourth Proportional to 46,618.82, 69,869.84 and 36,719

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Solution

The fourth proportional to 46,618.82, 69,869.84 and 36,719 is: 55,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,618.82 : 69,869.84 = 36,719 : x
  2. Step 2: Convert to fraction form
    46,618.82/69,869.84 = 36,719/x
  3. Step 3: Cross multiply
    46,618.82x = 69,869.84 × 36,719
  4. Step 4: Simplify right side
    46,618.82x = 2,565,550,654.96
  5. Step 5: Solve for x
    x = 2,565,550,654.96/46,618.82
  6. Step 6: Final answer
    x = 55,032.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.